Avalanche Weather Guidance
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
879
FWUS46 KSEW 150934
AVGSEW
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE SEATTLE WA
134 AM PST MON DEC 15 2025
...HURRICANE RIDGE...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV SC SC OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 100 80 90 95 75 50 50 80 100 100 100 100 100 100 95 95 90
TEMPERATURE 42 42 42 40 32 30 29 29 30 32 33 35 35 35 34 29 27
MAX/MIN TEMP 43 28 36 26
WIND DIR S SW SW SW SW SW SW S S SW SW SW SW SW SW W W
WIND (MPH) 28 28 28 29 29 26 16 14 16 17 17 16 25 28 35 37 40
WIND GUST (MPH)
PRECIP PROB (%) 100 70 80 90 60 10 20 70 100 100 100 100 100 100 90 90 80
PRECIP TYPE R R R R S S S S S S S R S S S S
6 HOUR QPF 0.74 0.33 0.04 0.02 0.28 0.33 1.10 0.59
6 HOUR SNOW 0.0 0.0 0.3 0.2 1.4 0.6 0.8 5.2
12 HOUR SNOW 0.0 0.5 2.0 6.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 9.3 8.9 7.4 6.0 4.0 3.1 3.1 3.4 4.0 4.6 4.8 5.0 5.5 5.2 4.4 2.7 2.2
...MOUNT BAKER SKI AREA...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 100 95 90 100 100 80 70 80 100 100 100 100 100 100 100 100 100
TEMPERATURE 42 43 41 41 37 33 30 30 31 31 31 34 35 34 35 32 28
MAX/MIN TEMP 43 30 36 26
WIND DIR S S S SW W W SW SW S S S SW S S SW SW W
WIND (MPH) 25 26 28 31 31 26 16 13 13 16 17 18 25 32 34 35 36
WIND GUST (MPH) 44 47 50 54 55 47
PRECIP PROB (%) 100 100 80 100 100 50 50 70 100 100 100 100 100 100 100 100 100
PRECIP TYPE R R R R S S S S S S S S S R S S S
6 HOUR QPF 1.21 1.00 0.28 0.14 0.41 0.44 0.96 1.03
6 HOUR SNOW 0.0 0.0 1.0 1.5 3.6 1.7 0.9 6.5
12 HOUR SNOW 0.0 2.5 5.3 7.4
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 8.7 8.7 8.2 7.0 4.9 3.5 2.9 3.0 3.3 3.5 3.9 4.4 4.7 5.0 4.5 3.0 2.2
...STEVENS PASS...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 100 100 95 90 100 85 90 85 100 100 100 100 100 100 100 100 100
TEMPERATURE 42 43 44 43 40 35 34 33 33 33 33 35 37 37 36 33 28
MAX/MIN TEMP 45 32 37 26
WIND DIR SW SW SW SW W W W W SW SW SW SW SW SW SW W W
WIND (MPH) 11 12 13 17 20 19 14 12 10 10 10 10 12 17 21 26 31
WIND GUST (MPH) 39 43 42 34
PRECIP PROB (%) 100 100 90 80 100 70 90 70 100 100 100 100 100 100 100 100 100
PRECIP TYPE R R R R S S S S S S S R R R R S S
6 HOUR QPF 0.80 0.40 0.25 0.21 0.42 0.58 0.87 1.18
6 HOUR SNOW 0.0 0.0 0.1 1.7 2.9 1.2 0.0 4.7
12 HOUR SNOW 0.0 1.8 4.1 4.7
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 9.0 9.5 9.0 7.5 5.8 4.1 3.5 3.5 3.9 4.1 4.6 5.2 5.4 5.5 5.0 3.4 2.4
...SNOQUALMIE PASS (3000 FEET)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 100 95 100 90 100 90 90 85 100 100 100 100 100 100 100 100 100
TEMPERATURE 42 44 47 47 43 38 36 36 35 35 37 39 40 40 38 34 30
MAX/MIN TEMP 49 34 40 28
WIND DIR SE S SW SW W W W W SW SW SW SW SW SW SW W W
WIND (MPH) 9 10 11 14 18 16 9 6 6 6 8 9 11 14 17 19 23
WIND GUST (MPH) 33 37 34
PRECIP PROB (%) 100 90 100 80 100 90 90 60 100 100 100 100 100 100 100 100 100
PRECIP TYPE R R R R R S S S S S R R R R R S S
6 HOUR QPF 0.87 0.41 0.39 0.27 0.46 0.64 1.04 1.54
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.2 0.0 0.0 4.5
12 HOUR SNOW 0.0 0.0 0.2 4.5
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 9.1 9.6 9.1 7.4 5.6 4.3 3.7 3.8 4.0 4.2 4.8 5.6 5.6 5.8 5.3 3.4 2.4
...WHITE PASS...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 100 90 95 90 90 85 85 75 95 95 100 100 100 100 100 100 100
TEMPERATURE 41 43 44 44 40 36 34 34 33 34 36 37 38 38 38 33 27
MAX/MIN TEMP 45 32 38 25
WIND DIR SW SW SW W W W W W SW SW SW SW SW SW SW W W
WIND (MPH) 18 19 20 21 23 24 17 16 14 16 16 16 18 25 31 34 36
WIND GUST (MPH) 37 41 44 48 48 36 33 33
PRECIP PROB (%) 100 80 90 80 80 60 50 40 100 100 100 100 100 100 100 100 100
PRECIP TYPE R R R R R S S S S S R R R R R S S
6 HOUR QPF 0.86 0.37 0.23 0.09 0.33 0.37 0.63 0.86
6 HOUR SNOW 0.0 0.0 0.0 0.3 1.0 0.0 0.0 3.4
12 HOUR SNOW 0.0 0.3 1.0 3.4
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 9.2 9.7 9.3 7.8 6.3 4.8 4.3 4.4 4.5 5.0 5.7 5.8 6.0 6.3 6.1 3.8 2.6
...PARADISE (MOUNT RAINIER - 5420 FEET) ...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 100 100 100 95 95 90 85 85 100 100 100 100 100 100 100 100 100
TEMPERATURE 39 40 41 40 36 32 31 31 31 31 33 35 36 35 37 29 26
MAX/MIN TEMP 42 29 37 24
WIND DIR SW SW W SW W W W W W SW SW SW SW SW SW W W
WIND (MPH) 24 24 25 27 31 29 20 18 18 18 18 19 27 35 40 41 41
WIND GUST (MPH) 44 48
PRECIP PROB (%) 100 100 100 90 90 80 80 80 100 100 100 100 100 100 100 100 100
PRECIP TYPE R R R R S S S S S S S S S S R S S
6 HOUR QPF 1.49 1.03 0.50 0.42 0.65 0.76 1.15 1.25
6 HOUR SNOW 0.0 0.0 3.3 4.5 5.7 1.2 1.8 6.5
12 HOUR SNOW 0.0 7.8 6.9 8.3
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 9.2 9.6 9.3 7.7 5.8 4.6 4.2 4.3 4.5 5.0 5.7 5.8 6.0 6.2 5.9 3.6 2.5
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN